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1

Zachary’s monthly income is $990 and him savings is $270. Find savings to expenses ratio.

2

Out of 110 students in a class, 20 are boys. Find boys to girls ratio.

3

Length and breadth of a rectangular field are 140 feet and 42 feet respectively. Find the ratio of length to breadth of the field.

4

Out of 171 students in a class, 9 prefer football, 81 prefer baseball and remaining like tennis. Find the ratio of number of students who prefer football to number of students who prefer tennis.

5

There are 120 teachers in a school of 2175 students. Find number of teachers to number of students ratio.

6

In a city of 8000 people, 2860 are government employees and the remaining are self-employed. Find government employees to self-employed ratio.

7

Jacob’s monthly income is $765 and him savings is $255. Find savings to expenses ratio.

8

Out of 168 students in a class, 42 are boys. Find boys to girls ratio.

9

Length and breadth of a rectangular field are 144 feet and 36 feet respectively. Find the ratio of length to breadth of the field.

10

Out of 78 students in a class, 12 prefer football, 48 prefer baseball and remaining like tennis. Find the ratio of number of students who prefer football to number of students who prefer tennis.

Answers Key

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1

Zachary’s monthly income is $990 and him savings is $270. Find savings to expenses ratio.

Savings to expenses ratio is 3:8

Solution

Zachary's Income = $990

Savings = $270

Expenses = 990 - 270 = 720

∴ savings to expenses ratio = 270:720 = 3:8

Savings = $270

Expenses = 990 - 270 = 720

∴ savings to expenses ratio = 270:720 = 3:8

2

Out of 110 students in a class, 20 are boys. Find boys to girls ratio.

Boys to girls ratio is 2:9

Solution

Total Number of students = 110

boys = 20

girls = 110 - 20 = 90

∴ Boys to girls ratio = 20:90 = 2:9

boys = 20

girls = 110 - 20 = 90

∴ Boys to girls ratio = 20:90 = 2:9

3

Length and breadth of a rectangular field are 140 feet and 42 feet respectively. Find the ratio of length to breadth of the field.

Length to breadth ratio is 10:3

Solution

Length of a rectangular field = 140

breadth of a rectangular field = 42

∴ Length to breadth ratio = 140:42 = 10:3

breadth of a rectangular field = 42

∴ Length to breadth ratio = 140:42 = 10:3

4

Out of 171 students in a class, 9 prefer football, 81 prefer baseball and remaining like tennis. Find the ratio of number of students who prefer football to number of students who prefer tennis.

Number of students who prefer football to number of students who prefer tennis ratio is 1:9

Solution

Total Number of students = 171

Number of students prefer football = 9

Number of students prefer baseball = 81

Number of students prefer tennis =171 - (9 + 81) = 81

∴ Number of students who prefer football to number of students who prefer tennis ratio = 9:81 = 1:9

Number of students prefer football = 9

Number of students prefer baseball = 81

Number of students prefer tennis =171 - (9 + 81) = 81

∴ Number of students who prefer football to number of students who prefer tennis ratio = 9:81 = 1:9

5

There are 120 teachers in a school of 2175 students. Find number of teachers to number of students ratio.

number of teachers to number of students ratio is 8:145

Solution

Total Number of teachers = 120

Total Number of students = 2175

∴ Number of teachers to number of students ratio = 120:2175 = 8:145

Total Number of students = 2175

∴ Number of teachers to number of students ratio = 120:2175 = 8:145

6

In a city of 8000 people, 2860 are government employees and the remaining are self-employed. Find government employees to self-employed ratio.

Government employees to self-employed ratio is 143:257

Solution

Number of people in the city = $8000

Number of Government employees = $2860

Self employed = 8000 - 2860 = 5140

∴ Government employees to self-employed ratio = 2860:5140 = 143:257

Number of Government employees = $2860

Self employed = 8000 - 2860 = 5140

∴ Government employees to self-employed ratio = 2860:5140 = 143:257

7

Jacob’s monthly income is $765 and him savings is $255. Find savings to expenses ratio.

Savings to expenses ratio is 1:2

Solution

Jacob's Income = $765

Savings = $255

Expenses = 765 - 255 = 510

∴ savings to expenses ratio = 255:510 = 1:2

Savings = $255

Expenses = 765 - 255 = 510

∴ savings to expenses ratio = 255:510 = 1:2

8

Out of 168 students in a class, 42 are boys. Find boys to girls ratio.

Boys to girls ratio is 1:3

Solution

Total Number of students = 168

boys = 42

girls = 168 - 42 = 126

∴ Boys to girls ratio = 42:126 = 1:3

boys = 42

girls = 168 - 42 = 126

∴ Boys to girls ratio = 42:126 = 1:3

9

Length and breadth of a rectangular field are 144 feet and 36 feet respectively. Find the ratio of length to breadth of the field.

Length to breadth ratio is 4:1

Solution

Length of a rectangular field = 144

breadth of a rectangular field = 36

∴ Length to breadth ratio = 144:36 = 4:1

breadth of a rectangular field = 36

∴ Length to breadth ratio = 144:36 = 4:1

10

Out of 78 students in a class, 12 prefer football, 48 prefer baseball and remaining like tennis. Find the ratio of number of students who prefer football to number of students who prefer tennis.

Number of students who prefer football to number of students who prefer tennis ratio is 2:3

Solution

Total Number of students = 78

Number of students prefer football = 12

Number of students prefer baseball = 48

Number of students prefer tennis =78 - (12 + 48) = 18

∴ Number of students who prefer football to number of students who prefer tennis ratio = 12:18 = 2:3

Number of students prefer football = 12

Number of students prefer baseball = 48

Number of students prefer tennis =78 - (12 + 48) = 18

∴ Number of students who prefer football to number of students who prefer tennis ratio = 12:18 = 2:3

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kuku

Hey! I'm kuku

I can answer you simple math queries!

Hey! I'm kuku

I can answer you simple math queries!

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